Sure they can! Poisson is a '99 from Vancouver and turns 18 in August - he has scored at every level and in every situation. He currently has nine PP goals, three SH goals and eight even strength tallies. Here is the breakdown of his BCHL scoring this season...
http://bchl.ca/stats/player/4226/32/ben-poisson
Perhaps UNH's best bet to get Poisson (or Levi Glasman) might be to move on these kids early and bring them to Durham as 18 year old freshmen. Moving early on kids with potential could give them the advantage they need (over larger schools or more recently successful programs) to get back to being competitive in Hockey East. Similar to how they nabbed Maass while the MN schools wanted to see more production in juniors before offering. The number one rule in marketing is to be first! UNH needs to be the first to offer these top-kids and the first to give them a chance to play in college. That's the ticket back to relevance. Here is more information on both...
Poisson -
http://www.eliteprospects.com/player.php?player=339373
Glasman -
http://www.eliteprospects.com/player.php?player=282405
I'd rather see UNH stick with their two goalies for next year and spend the money on forwards. And instead, add Poisson as an 18 year old and grabbing and older experienced Filip Suchy ('97 / Czech Republic) out of the USHL to this year's class. Suchy has 35 goals in 77 career USHL games (20 this season). He has been a big time scorer in his age group for the Czechs. If they pick up Glassman, a top-pair defenseman (Austin Chorney) and a goaltender (Berdin - unless they can fit him into 2018 with the new F's) to the 2019 recruiting class maybe they're in business. There would still be A LOT of work on future classes left to do, but it might be enough to put UNH back on track.
Suchy -
http://www.eliteprospects.com/player.php?player=215541
Berdin -
http://www.eliteprospects.com/player.php?player=312197
Chorney -
http://www.eliteprospects.com/player.php?player=299746
Next year is still likely to be a tough one, but you can look ahead to the fall of 2020 and suddenly you have three scoring lines and a solid, strong-skating fourth line up front. Defensively they're Ok with a really strong top-pair and a nice goaltending tandem...
BVR (SR) - Blackburn (SR) - Grasso (SR/JR)
[Poisson] (SO) - Crookshank (SO) - Kelleher (JR)
[Glasman] (FR) - [Suchy] (SO) - Fregona (SR)
MacAdams (JR) - Pierson (FR) - Esposito (SO) / Stevenson (FR)
Sacco (SR) - Sato (JR) - Cippollone (SO)
Wyse (SR) - Maass (JR)
Green (SO) - [Chorney] (FR)
Verrier (SO) - McElhaney (FR)
Bahn (FR) - Nonis (SR)
Robinson (JR) / [Berdin] (FR-SO)
Lazzaro (SO)
This team might be pretty good and certainly better than any team since the last tournament run with Goumas/Downing/Desmith. It gives them a nice foundation to build on - with Stutzle (stud), Wazny (potential) and Sweeney (solid bottom six) potentially arriving the following year. The real need would then be defense - as Wyse would graduate and Maass becomes a flight-risk.
An actual fix for UNH Hockey may not be too far off or too difficult to find - but has this staff shown the ability to implement the fix or attract this type of commitment in bulk? No, not really. Its more likely UNH ends up with more Espositos/Sweeneys/MacAdams than lands any of Poisson, Glasman, Suchy, Chorney or Berdin. But its fun to be Charlie Brown and pretend the football is actually going to be there this time...
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Another F possibility for next season -
http://www.eliteprospects.com/player.php?player=272303